Seattle Sea Conditions and Tide Table

Seattle Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at —.

Days 1–4 Weather Summary

Heavy rain (total 69mm), heaviest during Tue night. Cool air temperatures (max 14°C on Mon morning, min 7°C on Tue morning). Winds increasing (light winds from the SSE on Sun night, fresh winds from the SW by Tue night).

Days 5–7 Weather Summary

Moderate rain (total 12mm), heaviest on Thu morning. Low air temperatures (max 9°C on Thu afternoon, min 4°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

A light covering of new snow, mostly falling on Sun afternoon. Becoming milder with light rain (total 8mm) on Sun night. Mild temperatures (max 6°C on Sat night, min 1°C on Sun afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 31mm), heaviest during Fri afternoon. Mild temperatures (max 7°C on Thu morning, min 2°C on Tue night). Winds increasing (calm on Wed afternoon, fresh winds from the S by Fri afternoon).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
2:54AM2.85m
12:56PM3.29m
3:51AM3.13m
1:25PM3.20m
4:38AM3.36m
1:55PM3.15m
5:18AM3.54m
2:27PM3.12m
5:54AM3.65m
3:00PM3.11m
6:27AM3.72m
3:36PM3.10m
6:59AM3.78m
4:14PM3.07m
7:29AM3.81m
4:56PM3.00m
8:00AM3.84m
5:43PM2.88m
8:30AM3.85m
6:39PM2.71m
9:01AM3.85m
7:48PM2.53m
9:32AM3.83m
Low Tide
7:45PM0.43m
7:24AM2.12m
8:22PM0.16m
8:29AM2.31m
8:56PM-0.05m
9:25AM2.43m
9:28PM-0.22m
10:11AM2.49m
10:02PM-0.34m
10:52AM2.52m
10:35PM-0.43m
11:30AM2.52m
11:09PM-0.47m
12:09PM2.48m
11:45PM-0.46m
12:50PM2.40m
00:21AM-0.38m
1:35PM2.27m
00:58AM-0.21m
2:23PM2.08m
1:38AM0.05m
3:15PM1.80m
2:20AM0.42m
4:08PM1.44m
Wave
height (m) 
direction
period (s) 
heavy rain
light rain
rain showers
part cloud
light rain
mod rain
rain showers
clear
part cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
part cloud
cloud
cloud
light rain
light rain
mod snow
mod rain
part cloud
part cloud
part cloud
cloud
cloud
part cloud
light rain
cloud
mod rain
light rain
light rain
light rain
rain showers
mod rain
heavy rain
light rain
rain shwrs
some clouds
light rain
mod rain
rain shwrs
clear
some clouds
light rain
light rain
light rain
light rain
rain shwrs
some clouds
some clouds
cloudy
cloudy
light rain
light rain
mod snow
mod rain
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
light rain
cloudy
mod rain
light rain
light rain
light rain
rain shwrs
mod rain
 km/h
10
S
25
SSW
30
SW
20
SSW
10
SSE
25
SSW
35
SW
20
SW
20
SSW
10
SSE
10
SSE
25
SSW
15
SSW
5
S
5
S
15
SSW
20
SSW
20
S
15
S
0
SSW
5
N
20
SSW
20
SSW
20
SSW
10
SSE
5
ENE
5
N
10
S
5
SE
0
SE
5
E
10
SE
20
SSW
20
S
20
S
30
S
 mm 
25
5
1
5
9
24
1
5
3
2
1
1
1
6
2
7
2
4
3
1
10
max°C
13
14
12
9
9
12
12
9
8
7
6
9
8
6
6
5
5
6
6
5
2
5
6
6
4
4
3
4
6
5
4
7
6
4
6
5
Moonrise
3:48
4:57
6:05
7:11
8:10
9:00
9:40
10:11
10:35
10:55
11:12
11:28
Moonset
1:24
1:45
2:14
2:50
3:37
4:35
5:41
6:52
8:06
9:19
10:33
Sunrise
7:50
7:50
7:52
7:52
7:52
7:54
7:54
7:54
7:54
7:56
7:56
7:56
Sunset
4:17
4:17
4:17
4:19
4:19
4:19
4:20
4:20
4:21
4:22
4:22
4:22
Today's sea temperature in Seattle is
10.8° C
(Statistics for 14 Dec 1981-2005 – mean: 8.7 max: 10.0 min: 7.2°C)
Issued (local time): 9 pm Sunday 14 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest